Overview

overview

10

Static

static

3

28a870b859...18.exe

windows7-x64

10

28a870b859...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    28a870b8598068de26449303926ffc9f_JaffaCakes118

  • Size

    890KB

  • Sample

    240706-sw97xavgkg

  • MD5

    28a870b8598068de26449303926ffc9f

  • SHA1

    b6cfbd971fec1fd836f1ff5e3a038b206d17c7a9

  • SHA256

    844c098c509a5e1cc1cd51c9b2ac43c6ea452469e9ce143d88b504bd208df8f8

  • SHA512

    853cab3176da3f31ac49a5b3cc768792d6e4618985e468b58042dfa5bd9e8c9da333ed5d903e115e7ce2854f71559e8a9856aa6f9934e3594185d11839c6aa4b

  • SSDEEP

    12288:BTmBJtebrqexwPbp1iYXgrlh6fznP2y0+bUjCCPAbpaTu626AZq2X2QJ4N0:Bq7teaexwX+lh87l9gjCZbpVfN4mp

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

smr9.no-ip.org:1604

Mutex

DC_MUTEX-NJSZLY8

Attributes
  • InstallPath

    MSDCSC\lsass.exe

  • gencode

    6xtSkc229rlk

  • install

    true

  • offline_keylogger

    false

  • password

    123456

  • persistence

    true

  • reg_key

    lsass.exe

Targets

    • Target

      28a870b8598068de26449303926ffc9f_JaffaCakes118

    • Size

      890KB

    • MD5

      28a870b8598068de26449303926ffc9f

    • SHA1

      b6cfbd971fec1fd836f1ff5e3a038b206d17c7a9

    • SHA256

      844c098c509a5e1cc1cd51c9b2ac43c6ea452469e9ce143d88b504bd208df8f8

    • SHA512

      853cab3176da3f31ac49a5b3cc768792d6e4618985e468b58042dfa5bd9e8c9da333ed5d903e115e7ce2854f71559e8a9856aa6f9934e3594185d11839c6aa4b

    • SSDEEP

      12288:BTmBJtebrqexwPbp1iYXgrlh6fznP2y0+bUjCCPAbpaTu626AZq2X2QJ4N0:Bq7teaexwX+lh87l9gjCZbpVfN4mp

    Score
    10/10
    darkcometguest16persistencerattrojan

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks